Energy and Technology Crossword

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Across
  1. 2. the electronic ________________ sends information from telephones, TVs, and computers.
  2. 4. what the photoelectric cell produces
  3. 5. What was the major source of energy in the nineteenth century?
  4. 6. tool that provides high-energy beams of light.
  5. 7. the land, sea and air of our world.
  6. 11. What the electronic superhighway sends
  7. 13. technology has improved it with surgery and lasers.
Down
  1. 1. the ___________________ cell can produce electricity from light.
  2. 3. making water, air, or land unclean and unhealthy.
  3. 8. The major source of energy in the twentieth century
  4. 9. without energy, this cannot be done.
  5. 10. They have designed new cars and invented medical machines.
  6. 12. energy makes _______________ work.